Question

In Klinefelter syndrome males have chromosomes XXY. This is an example of:

A.)Non-disjunction of sex chromosomes



B.)Crossing over



C.)Chromosomal rearrangement

Answer 1

I'm stuck between A & C, I know it's one of those two.

Answer 2

Hello @ayeitslizz !

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Answer 3

It will be A, non-disjunction leads to trisomy

Answer 4

Okay, thank you! (:

Answer 5

Nondisjunction is the failure of chromosome pairs or sister chromatids to separate properly during cell division.

Answer 6

Anytime !

Answer 7

U need to close ur question, once u get the answers